From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-172.mta1.migadu.com (out-172.mta1.migadu.com [95.215.58.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 37DC039769B for ; Wed, 29 Jul 2026 11:26:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785324398; cv=none; b=UqKf+8t8SqV5qrdtt4xtqm2OAjtWGRPC3PCLBG5tGJHbg9Z1Olt+5y8sHbRuWcJnSQw3vnw48E55iiljxGd/swu4uQhPnWbY+Q8uKB0Esl5htX5hpqSLeo67umL7umgxp6m9JHXPOwKVoFZu7rRrFLVDoh6sOoKBULS4fqS4SYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785324398; c=relaxed/simple; bh=APe9iUqSOAsuaQv1btRgyowYCJtjGA02G8TajhTIebE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rTpWKNH0UtLykEUTdHkGZrT+PbKSzOcTgN7ClnacJShDy8QBpMo7uWKdgy8KfH6FVebw8OSu/yY0KYZeR8wZULi4LzeHMx2wlLoiD1VH47xmUGymWVv2QSnl7nshHURuqxggVf6iGXC4VTLpsnWIrE8vF81Lr2Gj+cYZqkYpedw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=QjssBNOd; arc=none smtp.client-ip=95.215.58.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="QjssBNOd" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1785324393; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ms7TjNbqHRA4P5HZZQpw8gHBi1StBQU2oI5cQslDjks=; b=QjssBNOdYMRQ7JTkGNl5tbZa4PiqZHfSQGsIllWJkEdchuffhmKcjne02HJ2yPWia2G1WK 2jb0AOVVEIEvSKS4qN/tUJZ0/9VhMTkSO7TmTdOqfIiyNTcD5YjBROrfM2qojFL6HB6q6f Wwmqk8t+viFb7cSZepmOQeCKc6JExO4= From: Fushuai Wang To: broonie@kernel.org Cc: andy.shevchenko@gmail.com, asrinivasan@oss.tenstorrent.com, fushuai.wang@linux.dev, gregkh@linuxfoundation.org, jackzxcui1989@163.com, jirislaby@kernel.org, john.ogness@linutronix.de, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, osama.abdelkader@gmail.com, wangfushuai@baidu.com Subject: [PATCH v2] Revert "serial: 8250: Clear CON_PRINTBUFFER on port re-registration" Date: Wed, 29 Jul 2026 19:26:05 +0800 Message-Id: <20260729112605.11764-1-fushuai.wang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT > > From: Fushuai Wang > > > > This reverts commit d338ab1d90603f875c4f7ed223406535378173a5. > > > > uart_console() only indicates that the port is selected as the console. > > It does not mean that the console has already been registered or has > > printed the buffered messages. > > The multi-system boot regression this fixes is still present in -next. Hi, Greg Just a ping. Mark has confirmed that the regression is still present in -next. Could you please take a look and consider applying it to tty/tty-testing and tty/tty-next? -- Regards, Fushuai